Light pen - Wikipedia
A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's cathode-ray tube (CRT) display. It allows the user to point to displayed objects or draw on the screen in a similar way to a touchscreen but with greater positional accuracy.
What is a Light Pen? - GeeksforGeeks
Oct 18, 2023 · A light pen is a type of pointing input device that detects light and is frequently used to select or alter text or data on a screen. These devices, when used with a CRT (cathode ray tube) monitor, were an early method of highlighting and modifying data on the screen.
What is a Light Pen? - Computer Hope
Oct 11, 2017 · A light pen is a light-sensitive pointing input device commonly used to select or otherwise modify text or data on a screen. Used with a CRT (Cathode Ray Tube) monitor, these devices were an early form of manipulating and highlighting data on the screen.
What is a Light Pen? - Definition from Techopedia
Jul 26, 2016 · A light pen is a light-sensitive computer input device, basically a stylus, that is used to select text, draw pictures and interact with user interface elements on a computer screen or monitor.
Light Pen Advantages And Disadvantages - Pros And Cons ...
Jul 28, 2023 · Discover the advantages and disadvantages of light pens. Learn about precise input, intuitive interaction, versatility, compatibility issues, line-of-sight dependency, ambient lighting sensitivity, and more.
Light Pen – The Computer Mouse - Jeffrey W. McClurken
Apr 4, 2017 · History: The light pen is a unique antecedent, as it is a first attempt at touchscreen technology. It is a “penlike input device that was used with cathode-ray tube display to point at items on the screen or to draw new items or modify existing ones.
What is Light Pen | Definition & Uses of Light Pen
Jun 24, 2023 · Definition of Light pen -: Light Pen, which is similar to the Normal Pen, is a pointing input device that is used to select the menu or picture display on the screen of a mobile or computer.
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